MIL-PRF-19500/376E

16

TABLE III. Groups B and C delta measurements. 1/ 2/ 3/

Step

Inspection

MIL-STD-750

Symbol

Limit

Unit

Method

Conditions

1

Forward-current transfer

ratio

3076

µA dc; pulsed see 4.5.1

4/

±25 percent change from

initial recorded reading

2.

Collector to emitter

voltage (saturated)

3071

µA dc

4/ 5/

±50 mV dc change from

previously measured value.

3.

Collector to emitter

cutoff current

3041

Bias condition C;

4/

100 percent of initial value

or 2 nA dc, whichever is

greater.

1/

The delta measurements for group B, table VIa (JANS) of MIL-PRF-19500 are as follows:

a.

Subgroup 4, see table III herein, step 2.

b.

Subgroup 5, see table III herein, steps 1 and 3.

2/

The delta measurements for 4.4.2.2 herein (group B, JAN, JANTX, and JANTXV) are as follows: Steps 2

and 3 of table III shall be performed after each step in 4.4.2.2 herein.

3/

The delta measurements for group C, table VII of MIL-PRF-19500 are as follows: Subgroup 6, see table III

herein, steps 1 and 3 for JANS, step 1 for JAN, JANTX, and JANTXV.

4/

Devices which exceed the group A limits for this test shall not be accepted.

5/

Applies to JANS level only.